Classification of impurities according to their effect on intergranular cohesion of titanium, nickel, and aluminum
Journal Article
·
· Sov. Phys. J. (Engl. Transl.); (United States)
OSTI ID:6410115
One of the reasons for the brittleness of polycrystals of intermetallides is a reduction in intergranular cohesion due to segregation of impurity atoms. Thus, to develop ductile intermetallic polycrystals, it is necessary to analyze the interaction of impurities with the grain boundaries and their effect on intergranular fracture. Impurities are classified in regard to their effect on the intergranular cohesion of titanium, nickel, and aluminum on the basis of a comparative analysis of the bond energies between the impurity and the grain boundary. Microadditions which bond dangerous impurities into a compound are discussed.
- Research Organization:
- Tomsk Univ. (USSR)
- OSTI ID:
- 6410115
- Journal Information:
- Sov. Phys. J. (Engl. Transl.); (United States), Journal Name: Sov. Phys. J. (Engl. Transl.); (United States) Vol. 30:7; ISSN SOPJA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360102* -- Metals & Alloys-- Structure & Phase Studies
360103 -- Metals & Alloys-- Mechanical Properties
ALKALINE EARTH METALS
ALLOYS
ALUMINIUM ALLOYS
BERYLLIUM
BINDING ENERGY
BORON
CERIUM
CLASSIFICATION
COHERENT SCATTERING
CRYSTAL STRUCTURE
DIAGRAMS
DIFFRACTION
DUCTILITY
ELEMENTS
ENERGY
FRACTURE PROPERTIES
GRAIN BOUNDARIES
HAFNIUM
IMPURITIES
INDIUM
MECHANICAL PROPERTIES
METALLURGICAL EFFECTS
METALS
MICROSTRUCTURE
MOLYBDENUM
NICKEL ALLOYS
NIOBIUM
PHASE DIAGRAMS
RARE EARTHS
SCATTERING
SEMIMETALS
TANTALUM
TENSILE PROPERTIES
TITANIUM ALLOYS
TRANSITION ELEMENTS
TUNGSTEN
VANADIUM
X-RAY DIFFRACTION
YTTRIUM
ZIRCONIUM
360102* -- Metals & Alloys-- Structure & Phase Studies
360103 -- Metals & Alloys-- Mechanical Properties
ALKALINE EARTH METALS
ALLOYS
ALUMINIUM ALLOYS
BERYLLIUM
BINDING ENERGY
BORON
CERIUM
CLASSIFICATION
COHERENT SCATTERING
CRYSTAL STRUCTURE
DIAGRAMS
DIFFRACTION
DUCTILITY
ELEMENTS
ENERGY
FRACTURE PROPERTIES
GRAIN BOUNDARIES
HAFNIUM
IMPURITIES
INDIUM
MECHANICAL PROPERTIES
METALLURGICAL EFFECTS
METALS
MICROSTRUCTURE
MOLYBDENUM
NICKEL ALLOYS
NIOBIUM
PHASE DIAGRAMS
RARE EARTHS
SCATTERING
SEMIMETALS
TANTALUM
TENSILE PROPERTIES
TITANIUM ALLOYS
TRANSITION ELEMENTS
TUNGSTEN
VANADIUM
X-RAY DIFFRACTION
YTTRIUM
ZIRCONIUM